† subdiˈchotomize,v.Obs. [sub- 9.] trans. To subdivide. 1651Biggs New Disp. ⁋235 Subdichotomise it by the severe incision knife of rationall argumentations. So † subdiˈchotomy, subdivision. 1644Milton Areop.Wks. 1851 IV. 445 Many subdichotomies of petty schisms.